#3F6ACE#3F6ACE

#3F6ACE is a mid, vivid blue. Relative luminance 0.158; OKLCH L 54.7% C 0.162 H 264.2°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#3F6ACE
RGB	rgb(63, 106, 206)
HSL	hsl(222, 59%, 53%)
HSV	hsv(222, 69%, 81%)
CMYK	cmyk(69.4%, 48.5%, 0%, 19.2%)
CIE-LAB	lab(46.74, 18.52, -56.23)
CIE-LCH	lch(46.74, 59.20, 288.23°)
OKLab	oklab(54.73% -0.0163 -0.1613)
OKLCH	oklch(54.73% 0.162 264.2)
XYZ	xyz(18.3406, 15.8192, 60.4674)
Luminance	0.1582 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F6ACE #CEA33F

analogous

#3FB1CE #3F6ACE #5B3FCE

triadic

#3F6ACE #CE3F6A #6ACE3F

tetradic

#3F6ACE #CE3FB1 #CEA33F #3FCE5B

square

#3F6ACE #CE3FB1 #CEA33F #3FCE5B

split-complementary

#3F6ACE #CE5B3F #B1CE3F

monochromatic

#1E3875 #2A4FA6 #3F6ACE #7090DA #A1B6E7

Accessibility & contrast

On white

5.04

#3F6ACE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#3F6ACE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6ACE

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F6ACE	#FFFFFF	#000000	##FFFFFF
##3F6ACE	1.00	5.04	4.16	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3376D2

Deuteranopia (green-blind)

#0569CC

Tritanopia (blue-blind)

#008192

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3f6ace;
/* rgb */ color: rgb(63, 106, 206);
/* oklch */ color: oklch(54.7% 0.162 264.2);

Tailwind

colors: {
  custom: {
    50: '#8494de',
    500: '#3f6ace',
    950: '#000000',
  },
}

SCSS

$custom: #3f6ace;
$custom-light: #8494de;
$custom-dark: #000000;

JSON

{
  "hex": "#3f6ace",
  "rgb": {
    "r": 63,
    "g": 106,
    "b": 206
  },
  "hsl": {
    "h": 221.958,
    "s": 59.336,
    "l": 52.745
  },
  "oklch": {
    "l": 0.54725,
    "c": 0.16211,
    "h": 264.2
  },
  "luminance": 0.15821
}

Semantic roles & 50–950 ramp

primary

#3F6ACE

secondary

#D3C195

accent

#B345E3

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3F6ACE

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →